Chassis 917/10-001 was completed late in 1971 and served as the original Porsche test car. Fitted with a naturally aspirated engine, it was sold to Willi Kauhsen halfway through the 1972 season. He quickly upgraded the 917/10 with a turbocharged engine and subsequently raced>>>

One of three Porsche 917/10Ks purchased by Roger Penske for his 1972 Can-Am effort, this car started the season as one of the spare chassis. It was pressed into service from the second round when an injured Mark Donohue was replaced by George Follmer after crashing the team'>>>

This is the Brumos Racing Porsche 917/10K, which was raced in the 1973 Can-Am by multiple Le Mans winner Hurley Haywood. Although the combination was no match for Donohue and the 917/30, Haywood finished a very respectable third in the championship behind Donohue and the 197>>>

The penultimate 917/10 produced, chassis 017 was sold to German privateer Georg Loos for the 1973 Interserie. Under the Gelo Racing Team banner, it was campaigned for several seasons for the likes of John Fitzpatrick, Bob Wollek and Tim Schenken. The latter proved particular>>>